kb.registerAction(removeAllSessionsAction);
mergeSessionsAction = new MergeSessionsAction(getSite().getWorkbenchWindow());
kb.registerAction(mergeSessionsAction);
selectSessionAction = new SelectSessionAction();
kb.registerAction(selectSessionAction);
importAction = new ImportSessionAction(getSite().getWorkbenchWindow());
kb.registerAction(importAction);
exportAction = new ExportSessionAction(getSite().getWorkbenchWindow());
kb.registerAction(exportAction);
refreshAction = new RefreshSessionAction();
kb.registerAction(refreshAction);